In this tutorial, you will set up an internal DNS server using two Ubuntu 20.04 servers. You will use the BIND name server software (BIND9) to resolve private hostnames and private IP addresses. This provides a central way to manage your internal hostnames and private IP addresses, which is indispensable when your environment expands to more than a few hosts.
This tutorial outlines how to update an existing replica set to use keyfile authentication. The procedure involved in this guide will also ensure that the replica set doesn’t go through any downtime, so the data within the replica set will remain available for any clients or applications that need access to it.
Melissa Anderson escribió una versión anterior de este tutorial. MongoDB, también conocido como Mongo, es una base de datos de documentos de código abierto usada comúnmente en…
WebDAV is a technology that allows you to share access and modify content directly through the regular HTTP protocol. This allows you easy file sharing capabilities built into your web server and the ability to collaboratively build a website. This guide will cover how to configure WebDAV on Ubuntu with the Apache web server.
This tutorial will show you how to create a High Availability HAProxy load balancer setup on the cloud provider, with the support of a Floating IP and the Corosync/Pacemaker cluster stack. The HAProxy load balancers will each be configured to split traffic between two backend application servers. If the primary load balancer goes down, the Floating IP will be moved to the secondary load balancer automatically, allowing service to resume.
GlusterFS is a network-attached storage filesystem that allows you to pool computing or storage resources of multiple machines. In turn, this lets you treat various computers as a single, more powerful unit. In this guide, you will create a redundant clustered storage array. This will provide functionality similar to a mirrored RAID configuration over the network
TLS, ou “transport layer security” – et son prédécesseur SSL – sont des protocoles utilisés pour envelopper le trafic normal dans une enveloppe protégée et cryptée. Grâce à cette technologie, les serveurs peuvent envoyer en toute sécurité des informations à leurs…
Ansible is a configuration management tool that system administrators use to automate infrastructure management activities.
The mdadm utility can be used to create and manage storage arrays using Linux’s software RAID capabilities. Administrators have great flexibility in coordinating their individual storage devices and creating logical storage devices that have greater performance or…
Here you’ll learn how to deploy a local Django app to a VPS.
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